Douglas looked around and then moved to stand from a different angle, and then one other location.  Coming back to the door, he nodded already sketching it in his mind as he looked around with a focused expression. 

"Yes, this is good.  I could do a few options for you to have behind you, and then have you sitting on the ledge of the desk looking out at me or perhaps you standing there with the window and books behind you."  He paused and thought a bit before adding another option, "Or you sitting behind the desk with the books and window behind you."  He thought any would be appropriate.  It would be determined by Tristan's choice, of course.